micro-server-tcp/tcp_test.go
Vasiliy Tolstov 873bad2488 initial implementation
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2020-09-03 12:21:00 +03:00

93 lines
1.8 KiB
Go

package tcp_test
import (
"fmt"
"io"
"net"
"testing"
"time"
bmemory "github.com/unistack-org/micro-broker-memory"
rmemory "github.com/unistack-org/micro-registry-memory"
tcp "github.com/unistack-org/micro-server-tcp"
"github.com/unistack-org/micro/v3/broker"
"github.com/unistack-org/micro/v3/logger"
"github.com/unistack-org/micro/v3/server"
)
type testHandler struct {
done chan struct{}
}
func TestTCPServer(t *testing.T) {
reg := rmemory.NewRegistry()
brk := bmemory.NewBroker(broker.Registry(reg))
// create server
srv := tcp.NewServer(server.Registry(reg), server.Broker(brk), server.Address("127.0.0.1:65000"))
// create handler
h := &testHandler{done: make(chan struct{})}
// register handler
if err := srv.Handle(srv.NewHandler(h)); err != nil {
t.Fatal(err)
}
// start server
if err := srv.Start(); err != nil {
t.Fatal(err)
}
// lookup server
service, err := reg.GetService(server.DefaultName)
if err != nil {
t.Fatal(err)
}
if len(service) != 1 {
t.Fatalf("Expected 1 service got %d: %+v", len(service), service)
}
if len(service[0].Nodes) != 1 {
t.Fatalf("Expected 1 node got %d: %+v", len(service[0].Nodes), service[0].Nodes)
}
go func() {
<-h.done
// stop server
if err := srv.Stop(); err != nil {
t.Fatal(err)
}
}()
c, err := net.DialTimeout("tcp", srv.Options().Address, 5*time.Second)
if err != nil {
t.Fatal(err)
}
defer c.Close()
if _, err = c.Write([]byte("test")); err != nil {
t.Fatal(err)
}
}
func (h *testHandler) Serve(c net.Conn) {
var n int
var err error
defer c.Close()
buf := make([]byte, 1024*8) // 8k buffer
for {
n, err = c.Read(buf)
if err != nil && err == io.EOF {
return
} else if err != nil {
logger.Fatal(err)
}
fmt.Printf("%s", buf[:n])
close(h.done)
}
}